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<div class="refentry">
<a name="GimpZoomModel"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GimpZoomModel.top_of_page"></a>GimpZoomModel</span></h2>
<p>GimpZoomModel — A model for zoom values.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GimpZoomModel.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_proto_type">
<col class="functions_proto_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="returnvalue">GimpZoomModel</span></a> *
</td>
<td class="function_name">
<a class="link" href="GimpZoomModel.html#gimp-zoom-model-new" title="gimp_zoom_model_new ()">gimp_zoom_model_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GimpZoomModel.html#gimp-zoom-model-set-range" title="gimp_zoom_model_set_range ()">gimp_zoom_model_set_range</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GimpZoomModel.html#gimp-zoom-model-zoom" title="gimp_zoom_model_zoom ()">gimp_zoom_model_zoom</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gdouble</span>
</td>
<td class="function_name">
<a class="link" href="GimpZoomModel.html#gimp-zoom-model-get-factor" title="gimp_zoom_model_get_factor ()">gimp_zoom_model_get_factor</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GimpZoomModel.html#gimp-zoom-model-get-fraction" title="gimp_zoom_model_get_fraction ()">gimp_zoom_model_get_fraction</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/gtk3/GtkWidget.html#GtkWidget-struct"><span class="returnvalue">GtkWidget</span></a> *
</td>
<td class="function_name">
<a class="link" href="GimpZoomModel.html#gimp-zoom-button-new" title="gimp_zoom_button_new ()">gimp_zoom_button_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gdouble</span>
</td>
<td class="function_name">
<a class="link" href="GimpZoomModel.html#gimp-zoom-model-zoom-step" title="gimp_zoom_model_zoom_step ()">gimp_zoom_model_zoom_step</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GimpZoomModel.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type">
<span class="type">char</span> *</td>
<td class="property_name"><a class="link" href="GimpZoomModel.html#GimpZoomModel--fraction" title="The “fraction” property">fraction</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><span class="type">double</span></td>
<td class="property_name"><a class="link" href="GimpZoomModel.html#GimpZoomModel--maximum" title="The “maximum” property">maximum</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">double</span></td>
<td class="property_name"><a class="link" href="GimpZoomModel.html#GimpZoomModel--minimum" title="The “minimum” property">minimum</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<span class="type">char</span> *</td>
<td class="property_name"><a class="link" href="GimpZoomModel.html#GimpZoomModel--percentage" title="The “percentage” property">percentage</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><span class="type">double</span></td>
<td class="property_name"><a class="link" href="GimpZoomModel.html#GimpZoomModel--value" title="The “value” property">value</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GimpZoomModel.signals"></a><h2>Signals</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="signal_proto_type">
<col width="300px" class="signal_proto_name">
<col width="200px" class="signal_proto_flags">
</colgroup>
<tbody><tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GimpZoomModel.html#GimpZoomModel-zoomed" title="The “zoomed” signal">zoomed</a></td>
<td class="signal_flags">Run Last</td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GimpZoomModel.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="other_proto_type">
<col class="other_proto_name">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="GimpZoomModel.html#GimpZoomModel-struct" title="GimpZoomModel">GimpZoomModel</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="GimpZoomModel.html#GimpZoomType" title="enum GimpZoomType">GimpZoomType</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GimpZoomModel.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    GObject
    <span class="lineart">╰──</span> GimpZoomModel
</pre>
</div>
<div class="refsect1">
<a name="GimpZoomModel.description"></a><h2>Description</h2>
<p>A model for zoom values.</p>
</div>
<div class="refsect1">
<a name="GimpZoomModel.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gimp-zoom-model-new"></a><h3>gimp_zoom_model_new ()</h3>
<pre class="programlisting"><a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="returnvalue">GimpZoomModel</span></a> *
gimp_zoom_model_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Creates a new <a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a>.</p>
<div class="refsect3">
<a name="gimp-zoom-model-new.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a>.</p>
<p>Since GIMP 2.4</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-zoom-model-set-range"></a><h3>gimp_zoom_model_set_range ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gimp_zoom_model_set_range (<em class="parameter"><code><a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a> *model</code></em>,
                           <em class="parameter"><code><span class="type">gdouble</span> min</code></em>,
                           <em class="parameter"><code><span class="type">gdouble</span> max</code></em>);</pre>
<p>Sets the allowed range of the <em class="parameter"><code>model</code></em>
.</p>
<p>Since GIMP 2.4</p>
<div class="refsect3">
<a name="gimp-zoom-model-set-range.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>model</p></td>
<td class="parameter_description"><p>a <a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>min</p></td>
<td class="parameter_description"><p>new lower limit for zoom factor</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>max</p></td>
<td class="parameter_description"><p>new upper limit for zoom factor</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-zoom-model-zoom"></a><h3>gimp_zoom_model_zoom ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gimp_zoom_model_zoom (<em class="parameter"><code><a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a> *model</code></em>,
                      <em class="parameter"><code><a class="link" href="GimpZoomModel.html#GimpZoomType" title="enum GimpZoomType"><span class="type">GimpZoomType</span></a> zoom_type</code></em>,
                      <em class="parameter"><code><span class="type">gdouble</span> scale</code></em>);</pre>
<p>Since GIMP 2.4</p>
<div class="refsect3">
<a name="gimp-zoom-model-zoom.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>model</p></td>
<td class="parameter_description"><p>a <a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>zoom_type</p></td>
<td class="parameter_description"><p>the <a class="link" href="GimpZoomModel.html#GimpZoomType" title="enum GimpZoomType"><span class="type">GimpZoomType</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>scale</p></td>
<td class="parameter_description"><p>ignored unless <em class="parameter"><code>zoom_type</code></em>
== <a class="link" href="GimpZoomModel.html#GIMP-ZOOM-TO:CAPS"><code class="literal">GIMP_ZOOM_TO</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-zoom-model-get-factor"></a><h3>gimp_zoom_model_get_factor ()</h3>
<pre class="programlisting"><span class="returnvalue">gdouble</span>
gimp_zoom_model_get_factor (<em class="parameter"><code><a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a> *model</code></em>);</pre>
<p>Retrieves the current zoom factor of <em class="parameter"><code>model</code></em>
.</p>
<div class="refsect3">
<a name="gimp-zoom-model-get-factor.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>model</p></td>
<td class="parameter_description"><p>a <a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-zoom-model-get-factor.returns"></a><h4>Returns</h4>
<p> the current scale factor</p>
<p>Since GIMP 2.4</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-zoom-model-get-fraction"></a><h3>gimp_zoom_model_get_fraction ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gimp_zoom_model_get_fraction (<em class="parameter"><code><a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a> *model</code></em>,
                              <em class="parameter"><code><span class="type">gint</span> *numerator</code></em>,
                              <em class="parameter"><code><span class="type">gint</span> *denominator</code></em>);</pre>
<p>Retrieves the current zoom factor of <em class="parameter"><code>model</code></em>
 as a fraction.</p>
<p>Since GIMP 2.4</p>
<div class="refsect3">
<a name="gimp-zoom-model-get-fraction.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>model</p></td>
<td class="parameter_description"><p>a <a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>numerator</p></td>
<td class="parameter_description"><p>return location for numerator. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>denominator</p></td>
<td class="parameter_description"><p>return location for denominator. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-zoom-button-new"></a><h3>gimp_zoom_button_new ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/gtk3/GtkWidget.html#GtkWidget-struct"><span class="returnvalue">GtkWidget</span></a> *
gimp_zoom_button_new (<em class="parameter"><code><a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a> *model</code></em>,
                      <em class="parameter"><code><a class="link" href="GimpZoomModel.html#GimpZoomType" title="enum GimpZoomType"><span class="type">GimpZoomType</span></a> zoom_type</code></em>,
                      <em class="parameter"><code><a href="https://developer.gnome.org/gtk3/gtk3-Themeable-Stock-Images.html#GtkIconSize"><span class="type">GtkIconSize</span></a> icon_size</code></em>);</pre>
<div class="refsect3">
<a name="gimp-zoom-button-new.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>model</p></td>
<td class="parameter_description"><p>a <a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>icon_size</p></td>
<td class="parameter_description"><p>use 0 for a button with text labels</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-zoom-button-new.returns"></a><h4>Returns</h4>
<p>a newly created GtkButton</p>
<p>Since GIMP 2.4. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gimp-zoom-model-zoom-step"></a><h3>gimp_zoom_model_zoom_step ()</h3>
<pre class="programlisting"><span class="returnvalue">gdouble</span>
gimp_zoom_model_zoom_step (<em class="parameter"><code><a class="link" href="GimpZoomModel.html#GimpZoomType" title="enum GimpZoomType"><span class="type">GimpZoomType</span></a> zoom_type</code></em>,
                           <em class="parameter"><code><span class="type">gdouble</span> scale</code></em>,
                           <em class="parameter"><code><span class="type">gdouble</span> delta</code></em>);</pre>
<p>Utility function to calculate a new scale factor.</p>
<div class="refsect3">
<a name="gimp-zoom-model-zoom-step.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>zoom_type</p></td>
<td class="parameter_description"><p>the zoom type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>scale</p></td>
<td class="parameter_description"><p>ignored unless <em class="parameter"><code>zoom_type</code></em>
== <a class="link" href="GimpZoomModel.html#GIMP-ZOOM-TO:CAPS"><code class="literal">GIMP_ZOOM_TO</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>delta</p></td>
<td class="parameter_description"><p>the delta from a smooth zoom event</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-zoom-model-zoom-step.returns"></a><h4>Returns</h4>
<p> the new scale factor</p>
<p>Since GIMP 2.4</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="GimpZoomModel.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GimpZoomModel-struct"></a><h3>GimpZoomModel</h3>
<pre class="programlisting">typedef struct _GimpZoomModel GimpZoomModel;</pre>
</div>
<hr>
<div class="refsect2">
<a name="GimpZoomType"></a><h3>enum GimpZoomType</h3>
<p>the zoom types for <a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a>.</p>
<div class="refsect3">
<a name="GimpZoomType.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GIMP-ZOOM-IN:CAPS"></a>GIMP_ZOOM_IN</p></td>
<td class="enum_member_description">
<p>zoom in</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GIMP-ZOOM-OUT:CAPS"></a>GIMP_ZOOM_OUT</p></td>
<td class="enum_member_description">
<p>zoom out</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GIMP-ZOOM-IN-MORE:CAPS"></a>GIMP_ZOOM_IN_MORE</p></td>
<td class="enum_member_description">
<p>zoom in a lot</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GIMP-ZOOM-OUT-MORE:CAPS"></a>GIMP_ZOOM_OUT_MORE</p></td>
<td class="enum_member_description">
<p>zoom out a lot</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GIMP-ZOOM-IN-MAX:CAPS"></a>GIMP_ZOOM_IN_MAX</p></td>
<td class="enum_member_description">
<p>zoom in as far as possible</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GIMP-ZOOM-OUT-MAX:CAPS"></a>GIMP_ZOOM_OUT_MAX</p></td>
<td class="enum_member_description">
<p>zoom out as far as possible</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GIMP-ZOOM-TO:CAPS"></a>GIMP_ZOOM_TO</p></td>
<td class="enum_member_description">
<p>zoom to a specific zoom factor</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GIMP-ZOOM-SMOOTH:CAPS"></a>GIMP_ZOOM_SMOOTH</p></td>
<td class="enum_member_description">
<p>zoom smoothly from a smooth scroll event</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="GimpZoomModel.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GimpZoomModel--fraction"></a><h3>The <code class="literal">“fraction”</code> property</h3>
<pre class="programlisting">  “fraction”                 <span class="type">char</span> *</pre>
<p>The zoom factor expressed as a fraction.</p>
<p>Owner: GimpZoomModel</p>
<p>Flags: Read</p>
<p>Default value: "1:1"</p>
</div>
<hr>
<div class="refsect2">
<a name="GimpZoomModel--maximum"></a><h3>The <code class="literal">“maximum”</code> property</h3>
<pre class="programlisting">  “maximum”                  <span class="type">double</span></pre>
<p>The maximum zoom factor.</p>
<p>Owner: GimpZoomModel</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0.00390625,256]</p>
<p>Default value: 256</p>
</div>
<hr>
<div class="refsect2">
<a name="GimpZoomModel--minimum"></a><h3>The <code class="literal">“minimum”</code> property</h3>
<pre class="programlisting">  “minimum”                  <span class="type">double</span></pre>
<p>The minimum zoom factor.</p>
<p>Owner: GimpZoomModel</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0.00390625,256]</p>
<p>Default value: 0.00390625</p>
</div>
<hr>
<div class="refsect2">
<a name="GimpZoomModel--percentage"></a><h3>The <code class="literal">“percentage”</code> property</h3>
<pre class="programlisting">  “percentage”               <span class="type">char</span> *</pre>
<p>The zoom factor expressed as percentage.</p>
<p>Owner: GimpZoomModel</p>
<p>Flags: Read</p>
<p>Default value: "100%"</p>
</div>
<hr>
<div class="refsect2">
<a name="GimpZoomModel--value"></a><h3>The <code class="literal">“value”</code> property</h3>
<pre class="programlisting">  “value”                    <span class="type">double</span></pre>
<p>The zoom factor.</p>
<p>Owner: GimpZoomModel</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0.00390625,256]</p>
<p>Default value: 1</p>
</div>
</div>
<div class="refsect1">
<a name="GimpZoomModel.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GimpZoomModel-zoomed"></a><h3>The <code class="literal">“zoomed”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GimpZoomModel.html" title="GimpZoomModel"><span class="type">GimpZoomModel</span></a> *model,
               <span class="type">double</span>         old_factor,
               <span class="type">double</span>         new_factor,
               <span class="type">gpointer</span>       user_data)</pre>
<p>Emitted when the zoom factor of the zoom model changes.</p>
<div class="refsect3">
<a name="GimpZoomModel-zoomed.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>model</p></td>
<td class="parameter_description"><p>the object that received the signal</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>old_factor</p></td>
<td class="parameter_description"><p>the zoom factor before it changes</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>new_factor</p></td>
<td class="parameter_description"><p>the zoom factor after it has changed.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: Run Last</p>
</div>
</div>
</div>
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